linux-kernel - Re: [PATCH] ARM: dts: stm32: fix the Odyssey SoM eMMC VQMMC supply

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Date:   Thu, 10 Jun 2021 15:46:10 +0200
From:   Alexandre TORGUE <alexandre.torgue@...s.st.com>
To:     Grzegorz Szymaszek <gszymaszek@...rt.pl>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Marcin Sloniewski <marcin.sloniewski@...il.com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: Re: [PATCH] ARM: dts: stm32: fix the Odyssey SoM eMMC VQMMC supply

Hi

On 6/3/21 5:40 PM, Grzegorz Szymaszek wrote:
> The Seeed SoM-STM32MP157C device tree had the eMMC’s (SDMMC2) VQMMC
> supply set to v3v3 (buck4), the same as the VMMC supply. That was
> incorrect, as on the SoM, the VQMMC supply is provided from vdd (buck3)
> instead.
> 
> Signed-off-by: Grzegorz Szymaszek <gszymaszek@...rt.pl>
> ---
>   arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi b/arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi
> index 6cf49a0a9e69..b5601d270c8f 100644
> --- a/arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi
> +++ b/arch/arm/boot/dts/stm32mp157c-odyssey-som.dtsi
> @@ -269,7 +269,7 @@ &sdmmc2 {
>   	st,neg-edge;
>   	bus-width = <8>;
>   	vmmc-supply = <&v3v3>;
> -	vqmmc-supply = <&v3v3>;
> +	vqmmc-supply = <&vdd>;
>   	mmc-ddr-3_3v;
>   	status = "okay";
>   };
> 

Applied on stm32-next.

Thanks.
Alex